Toothbrush head



FIG. 1 is a front perspective view from above and one side;

FIG. 2 is a top plan view;

FIG. 3 is an underneath view;

FIG. 4 is a side view;

FIG. 5 is a view of the other side;

FIG. 6 is an end view; and,

FIG. 7 is a view of the other end. 

The ornamental design for a toothbrush head, as shown and described. 